Vibrant Stainless Steel Straight Oval Tubing Select::3.50" OD (13183) then you'll need the FP

then you'll need the FP Purple In-Line Oil Filter

2004-2008 Subaru STi

Radiator Core CSF "B-Tube" Technology

replacement kit as pictured or individually as needed

then TIG welded by hand with the finest aluminum available

Vibrant Stainless Steel Straight Oval Tubing Select::3.50" OD (13183) then you'll need the FPVibrant Performance stainless steel straight oval tube is ideal for building custom exhaust systems, headers, downpipes, intercooler piping and more. These are sold in a five foot section in various outer diameter sizing. T304 Stainless Steel is a non magnetic alloy that possesses very high chromium and nickel content, making it much more capable of withstanding acidic, high heat and corrosive conditions than regular (mild) steel. Features: T304